Keystones — Bedrock
Five GCSE retrieval questions · 5 January 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 21
Answer: 22 + 21 = 43 -
2. Algebra Substitution
If x = 10, find the value of 2x + 11
Answer: 31 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 6, 16, 9, 13
Answer: 11